# and  与
print(True and False)
print(True and True)
print(True and 'hello') # 短路运算符
print(False and 'hello')
# or  或者
print(True or False)
print(True or True)
print(1 or '0')
print(2020 or 2025 or 0)
print(0 or '' or 666)
# not  非
print(not False)
print(not 1)
print(not 0)